xref: /titanic_51/usr/src/lib/libbc/libc/stdio/4.2/vsprintf.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*      Copyright (c) 1984 AT&T */
23 /*        All Rights Reserved   */
24 
25 #pragma ident	"%Z%%M%	%I%	%E% SMI"  /* from S5R2 1.1 */
26 
27 /*LINTLIBRARY*/
28 #include <stdio.h>
29 #include <varargs.h>
30 #include <values.h>
31 
32 extern int _doprnt();
33 
34 /*VARARGS2*/
35 char *
36 vsprintf(string, format, ap)
37 char *string, *format;
38 va_list ap;
39 {
40 	FILE siop;
41 
42 	siop._cnt = MAXINT;
43 	siop._base = siop._ptr = (unsigned char *)string;
44 	siop._flag = _IOWRT+_IOSTRG;
45 	(void) _doprnt(format, ap, &siop);
46 	*siop._ptr = '\0'; /* plant terminating null character */
47 	return(string);
48 }
49